A great biography should be like a portrait that captures both the light and the shadow.

To conquer without risk is to triumph without glory.

没有完美的知识可以称为我们与生俱来的；唯有从经验中获得的知识才是真正的知识。

"The most profound discoveries often come from the simplest observations."

不要试图让别人喜欢你；尝试让他们尊敬你。